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stiks02 [169]
3 years ago
7

A system of equations is shown below.

Mathematics
2 answers:
ladessa [460]3 years ago
8 0

Answer:

the first equation the y intercept is -2

coldgirl [10]3 years ago
3 0

Answer:

Answer is 13.

Step-by-step explanation:

EQ 1: y = 2x^2-x-2  

EQ2: y = x^2+3x -5

Set the two equation equal to each other:

2x^2-x-2 = x^2+3x -5

Simplify:

x^2 -4x +3 = 0

(x - 3 ) (x - 1) = 0

Solutions:

x = 3 and x= 1

Plug these values into each of the original equations and see which on gives you the highest value.

Solution set:

y={13, -1, 13, -1}

Answer is 13

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Cerrena [4.2K]

Answer:

Area = 51.68yd^2

Step-by-step explanation:

Given

h = 9yd -- height

a = 2.5yd --- base sides

Required

Determine the surface area

The net is not given. So, I will solve directly.

The surface area is calculated as:

Area = a^2 + 2a\sqrt{\frac{a^2}{4} + h^2}

So, we have:

Area = 2.5^2 + 2*2.5\sqrt{\frac{2.5^2}{4} + 9^2}

Area = 6.25 + 5\sqrt{\frac{6.25}{4} + 81}

Area = 6.25 + 5\sqrt{1.5625 + 81}

Area = 6.25 + 5\sqrt{82.5625}

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Area = 51.68yd^2

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3 years ago
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Answer:

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Step-by-step explanation:

30% is to x as 100% is to y

We are looking for y in terms of x.

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30y = 100x

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Step by step explanation

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